I think of a positive number, square it, halve the answer and end up with 38. What is the original number?

I think of a positive number, square it, halve the answer and end up with 38. What is the original number?

What is the ratio blue to red to green.

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each of these bag contains two apples. one bag contains two green apples, another two red apples and the third one green and one red apple. lf three bags are mislabelled. you may look at only one...

Hi How do I go about proving that a value for energy does not decay during the process of motion? Thanks

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I have max and min value and a number in between, I would like to calculate what percentage it lies down side and up side? Suppose Max value is 600 and min value is 90 i would like to know what can...

find the number of children exeeding a score 50

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it is a maths question on angles and shapes please be correct thx

100m รท 1000n can be written in the form 10z. Express z in terms of m and n.

Plzz help me to to this question: insert a rational number b/w 2/3 and 7/8

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